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bearhunter [10]
3 years ago
5

What is the answer for Y= -6/+2 +4

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0

Hello!

Answer:

y=1

Divide the numbers;

y=-6/+2 +4

= y= -3 + 4

Add the numbers;

y=-3+4

= y= 1

Hope this helps! <3

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Makovka662 [10]
It would have 3 solutions
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2 years ago
If the squared difference of the zeroes of the quadratic polynomial x2+kx+30 is equal to 169 find the value of k and the zeroes
anyanavicka [17]

ANSWER

x  =  2 \: \: or \:  \:  x  =  15

Or

x  =   - 2 \: \: or \:  \:  x  =   -  15

EXPLANATION

The given polynomial is

f(x) = {x}^{2}  + kx + 30

where a=1,b=k, c=30

Let the zeroes of this polynomial be m and n.

Then the sum of roots is

m + n =  -  \frac{b}{a}  =  -k

and the product of roots is

mn =  \frac{c}{a}  = 30

The square difference of the zeroes is given by the expression.

( {m - n})^{2} =  {(m + n)}^{2} - 4mn

From the question, this difference is 169.

This implies that:

( { - k)}^{2}  - 4(30) = 169

{  k}^{2}  -120= 169

k^{2} = 289

k=  \pm \sqrt{289}

k=  \pm17

We substitute the values of k into the equation and solve for x.

f(x) = {x}^{2}   \pm17x + 30

f(x) = (x  \pm2)(x  \pm 15)

The zeroes are given by;

(x  \pm2)(x  \pm 15) = 0

x  =  \pm2 \: \: or \:  \:  x  =  \pm 15

5 0
3 years ago
Look at the following numbers: −2, −1, 0, 1 Which pair of numbers has a sum of zero? (5 points) Select one: a. 1, −1 b. −2, 0 c.
EastWind [94]

Answer: the answer is a

Step-by-step explanation:

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